Fix the bool coder test

Fix the bool coder test not to use a probability of 100%.

Change-Id: I799871cb0c48580edf0ee15a6c9931d27591ec99
(cherry picked from commit 9b79f6a3d6ea398e5d51d3d1dd69cbfb1725370e)

test/boolcoder_test.cc

diff --git a/test/boolcoder_test.cc b/test/boolcoder_test.cc
index e2ebdda..17d78f4 100644
--- a/test/boolcoder_test.cc
+++ b/test/boolcoder_test.cc
@@ -103,7 +103,7 @@
   uint8_t bw_buffer[kBufferSize];
   const int kSymbols = 1024;
   // Coders are noisier at low probabilities, so we start at p = 4.
-  for (int p = 4; p <= 256; p++) {
+  for (int p = 4; p < 256; p++) {
     double probability = p / 256.;
     aom_start_encode(&bw, bw_buffer);
     for (int i = 0; i < kSymbols; i++) {